MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting it's designed to lure users to malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating a link farm on disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://crewmak.ru/uplcv?utm_term=a+photographic+atlas+for+anatomy+%26+physiology+herbert+pdf+free PDF link annotation
- http://impressivetravelvietnam.com/upload/files/58323702889.pdfIn PDF document text
- http://galenbio.com/images/upload/file/jugivawasege.pdfIn PDF document text
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/uh9v7sjkt8ej48tutd4qaosf8d/subenasurijo.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161413ec1dee65---32852590865.pdfIn PDF document text
- https://contabil-fiscal.ro/mm/file/gekomarijawuruzofiji.pdfIn PDF document text
- http://3e3i.com/UserFiles/file///28168951031.pdfIn PDF document text
- http://tobn56.com/UpFiles/file/10921399712.pdfIn PDF document text
- http://madmojo.com/fckupload/file/64267799620.pdfIn PDF document text
- http://adice-area.com/pictures/files/36630954065.pdfIn PDF document text
- http://happinessgown.com/upload/users/files/zesefepo.pdfIn PDF document text
- https://denimder.org/resimler/files/25079644433.pdfIn PDF document text
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/pn3dj2d5gr2bpocg8hmquv9dt5/73751767516.pdfIn PDF document text
- http://bitite.lv/media/txt/122/file/tekamolo.pdfIn PDF document text
- http://www.kroonzuivel.nl/ckfinder/userfiles/files/76382978304.pdfIn PDF document text
- https://www.scmsgroup.org/ckfinder/userfiles/files/fenisamosogifirevop.pdfIn PDF document text
- https://support-trevianum.nl/userfiles/files/gusiwebilumesoxis.pdfIn PDF document text
- http://maskaevlawyer.ru/userfiles/file/36772068280.pdfIn PDF document text
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/007203abfeed0317a168db35b0123549/28560517322.pdfIn PDF document text
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/4eb2ebffe89274b4ff337f82111370db/76123983416.pdfIn PDF document text
- https://vannordenvastgoed.nl/userfiles/file/zidawirinalopibot.pdfIn PDF document text
- https://lajovisena.com/gallery/file/31705155201.pdfIn PDF document text
- http://hankyunget.net/userData/board/file/18043367572.pdfIn PDF document text
- https://grandhotelbulgaria.com/userfiles/file/6842428231.pdfIn PDF document text
- https://topinsolventa.ro/userfiles/file/50969715244.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c2b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2B3 | 10892 bytes |
SHA-256: 9642d8b096fb3ca204c3ffbcb0c0ac79ba8eb3ddc6020f69fe75178cce20fdae |
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font_01_sfnt_off0000dbc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBC4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f3d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3D6 | 16956 bytes |
SHA-256: 4359dd3bbd68e973a0eb87591c8a13257fd318e534941b156b96cbe2a6a36159 |
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